1 /* crypto/sha/sha.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59 #include <stdio.h>
60 #include <stdlib.h>
61 #include <openssl/sha.h>
62
63 #define BUFSIZE 1024*16
64
65 void do_fp(FILE *f);
66 void pt(unsigned char *md);
67 int read(int, void *, unsigned int);
main(int argc,char ** argv)68 int main(int argc, char **argv)
69 {
70 int i,err=0;
71 FILE *IN;
72
73 if (argc == 1)
74 {
75 do_fp(stdin);
76 }
77 else
78 {
79 for (i=1; i<argc; i++)
80 {
81 IN=fopen(argv[i],"r");
82 if (IN == NULL)
83 {
84 perror(argv[i]);
85 err++;
86 continue;
87 }
88 printf("SHA(%s)= ",argv[i]);
89 do_fp(IN);
90 fclose(IN);
91 }
92 }
93 exit(err);
94 }
95
do_fp(FILE * f)96 void do_fp(FILE *f)
97 {
98 SHA_CTX c;
99 unsigned char md[SHA_DIGEST_LENGTH];
100 int fd;
101 int i;
102 unsigned char buf[BUFSIZE];
103
104 fd=fileno(f);
105 SHA_Init(&c);
106 for (;;)
107 {
108 i=read(fd,buf,BUFSIZE);
109 if (i <= 0) break;
110 SHA_Update(&c,buf,(unsigned long)i);
111 }
112 SHA_Final(&(md[0]),&c);
113 pt(md);
114 }
115
pt(unsigned char * md)116 void pt(unsigned char *md)
117 {
118 int i;
119
120 for (i=0; i<SHA_DIGEST_LENGTH; i++)
121 printf("%02x",md[i]);
122 printf("\n");
123 }
124
125